Polly-Signed by: Michael Wolfenden App vNext

Polly is a .NET 4.5 / .NET Standard 1.1 library that allows developers to express resilience and transient fault handling policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation and Fallback in a fluent and thread-safe manner.

Polly.Contrib.Simmy by: App vNext

Simmy is a chaos-engineering and fault-injection tool, integrating with the Polly resilience project for .NET

Polly.Contrib.WaitAndRetry by: Grant Dickinson App vNext

Polly.Contrib.WaitAndRetry is an extension library for Polly containing helper methods for a variety of wait-and-retry strategies.

Polly.Core by: Michael Wolfenden App vNext

Polly.Core is a .NET resilience and transient-fault-handling library that allows developers to express resilience strategies such as Retry, Circuit Breaker, Hedging, Timeout, Chaos and Fallback in a fluent and thread-safe manner.

Polly.Extensions by: Michael Wolfenden App vNext

Polly.Extensions adds support for dependency injection and telemetry for the Polly.Core library.

Polly.Extensions.Http by: App vNext

Polly.Extensions.Http is an extensions package containing opinionated convenience methods for configuring Polly policies to handle transient faults typical of calls through HttpClient.

Polly.Extensions.Http-Signed by: App vNext

Polly.Extensions.Http is an extensions package containing opinionated convenience methods for configuring Polly policies to handle transient faults typical of calls through HttpClient.

Polly.RateLimiting by: Michael Wolfenden App vNext

Polly.RateLimiting is a .NET resilience and transient-fault-handling library that allows developers to express resilience strategies using a Rate Limiter in a fluent and thread-safe manner.

PolySharp by: Sergio Pedri

PolySharp provides generated, source-only polyfills for C# language features, to easily use all runtime-agnostic features downlevel

PolyShim by: Tyrrrz

Collection of polyfills that enable many modern framework APIs and compiler features for projects targeting older versions of .NET.

Portable.BouncyCastle by: Claire Novotny

BouncyCastle portable version with support for .NET 4, .NET Standard 2.0

Portable.ConcurrentDictionary by: Stef Heyenrath

This is a .NET Standard 1.0, .NET 2.0, .NET 3.5, Silverlight 5.0 and Windows Phone Silverlight 8.0 & 8.1 backport from System.Collections.Concurrent.ConcurrentDictionary as defined in .NET Core

Pragmastat by: Andrey Akinshin

Pragmatic Statistical Toolkit

Prism.Container.Abstractions by: Brian Lagunas Dan Siegel

This package provides the core Dependency Injection Container abstractions that the Prism Library depends on for all WPF, Xamarin.Forms, .NET MAUI, and Uno Platform applications.

Prism.Core by: Brian Lagunas Dan Siegel

Prism is a fully open source version of the Prism guidance originally produced by Microsoft Patterns & Practices. Prism provides an implementation of a collection of design patterns that are helpful in writing well structured and maintainable XAML applications, including MVVM, dependency injection, commanding, event aggregation, and more. Prism's core functionality is a shared code base in a Portable Class Library targeting these platforms; WPF, and Xamarin Forms. Features that need to be platform specific are implemented in the respective libraries for the target platform.

PuppeteerSharp by: Darío Kondratiuk

Headless Browser .NET API

PushNotifications.Server by: Thomas Galliker

Server-side .NET SDK for Apple and Google push notifications.

QuestPDF by: MarcinZiabek

QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create invoices, reports, and documents using a flexible, component-based approach.

ReactiveUI by: .NET Foundation and Contributors

A MVVM framework that integrates with the Reactive Extensions for .NET to create elegant, testable User Interfaces that run on any mobile or desktop platform. This is the base package with the base platform implementations

ReflectionBridge by: Stef Heyenrath

Provides some extensions which define a bridge for the differences between Type and TypeInfo.